21167280280

素因数分解:

$2^3\times 5^1\times {\mathrm{529182007}}^1$

素因数の和:529182018

約数の個数: 16

約数和(自身を含む): 47626380720

約数和(自身を除く): 26459100440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 529182007, 1058364014, 2116728028, 2645910035, 4233456056, 5291820070, 10583640140, 21167280280]

約数ペア:

[(1, 21167280280), (2, 10583640140), (4, 5291820070), (5, 4233456056), (8, 2645910035), (10, 2116728028), (20, 1058364014), (40, 529182007)]